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Information disclosure with NTLM Authentication in Exchange Server

Information disclosure with NTLM Authentication in Exchange Server

by edward | Nov 21, 2023 | Exchange 2016, Exchange 2019, NMAP, NMAP Scripting Engine, NSE

Performing some tests against my lab Exchange servers, I noticed that Shodan.io revealed information. Take note that attackers also use Shodan.io when enumerating targets. After digging further with NMAP and some scripts, it became more apparent that internal...
Information disclosure with NTLM Authentication in Exchange Server

Exchange 2013/2016/2019:- How NMAP reveals Exchange Server information.

by edward | Nov 6, 2023 | Exchange 2016, Exchange 2013, Exchange 2019, NMAP, NMAP Scripting Engine, NSE

Over the past few years, Microsoft Exchange Server has come under heavy attack and with each new Cumulative Update (CU) and Security Update (SU), CVE’s are addressed and closed. The problem comes in when organisations do not patch servers (as mentioned in a few...
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